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Effect of residual renal function on minimum dialysis requirements.
Proceedings of the European Dialysis and Transplant Association. European Dialysis and Transplant Association
|January 1, 1979
Summary
Residual renal function (RRF) significantly impacts dialysis needs. Maintaining RRF above 0.5 ml/min prevents neuropathy in hemodialysis patients, suggesting it
Area of Science:
- Nephrology
- Neurology
Background:
- Residual renal function (RRF) plays a role in hemodialysis efficacy.
- Assessing RRF's impact on neuropathy is crucial for optimizing treatment.
Purpose of the Study:
- To investigate the relationship between residual renal function (RRF) and motor nerve conduction velocity (MNCV) in hemodialysis patients.
- To determine the threshold of RRF below which neuropathy develops and assess the impact of dialysis index for middle molecules (DI(MM)) on neuropathy.
Main Methods:
- Prospective study of two hemodialysis patient groups: Group I (stable GFR > 1 ml/min) and Group II (declining GFR).
- Monitoring GFR, DI(MM), and MNCV over 1.2-4.1 years.
- Assessing neuropathy development and response to adjusted DI(MM).
Main Results:
- No neuropathy observed in Group I patients with stable GFR > 1 ml/min.
- All Group II patients (GFR < 0.5 ml/min) developed significant MNCV slowing (neuropathy).
- Neuropathy in Group II was arrested or reversed by increasing DI(MM).
Conclusions:
- Residual renal function is a key determinant of dialysis requirements.
- Maintaining RRF above a critical threshold (0.5 ml/min) is essential for preventing neuropathy in hemodialysis patients.
- Adjusting DI(MM) can help manage or reverse neuropathy associated with declining RRF.